Base | Representation |
---|---|
bin | 1110111011010… |
… | …01101000010010 |
3 | 22201121111020000 |
4 | 13131221220102 |
5 | 224023310302 |
6 | 20231430430 |
7 | 3050203032 |
oct | 735515022 |
9 | 281544200 |
10 | 125213202 |
11 | 64752594 |
12 | 35b25416 |
13 | 1cc30a6a |
14 | 128b58c2 |
15 | aed531c |
hex | 7769a12 |
125213202 has 20 divisors (see below), whose sum is σ = 280570686. Its totient is φ = 41737680.
The previous prime is 125213201. The next prime is 125213203. The reversal of 125213202 is 202312521.
It is an interprime number because it is at equal distance from previous prime (125213201) and next prime (125213203).
It can be written as a sum of positive squares in only one way, i.e., 116445681 + 8767521 = 10791^2 + 2961^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (125213201) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 386299 + ... + 386622.
Almost surely, 2125213202 is an apocalyptic number.
125213202 is an abundant number, since it is smaller than the sum of its proper divisors (155357484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125213202 is an equidigital number, since it uses as much as digits as its factorization.
125213202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 772935 (or 772926 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 125213202 is about 11189.8705086341. The cubic root of 125213202 is about 500.2841078682.
Adding to 125213202 its reverse (202312521), we get a palindrome (327525723).
The spelling of 125213202 in words is "one hundred twenty-five million, two hundred thirteen thousand, two hundred two".
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